Home / 126,565.26-174,704.00-72,871.67

Finding the Fourth Proportional to 126,565.26, 174,704.00 and 72,871.67

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Solution

The fourth proportional to 126,565.26, 174,704.00 and 72,871.67 is: 100,588.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,565.26 : 174,704.00 = 72,871.67 : x
  2. Step 2: Convert to fraction form
    126,565.26/174,704.00 = 72,871.67/x
  3. Step 3: Cross multiply
    126,565.26x = 174,704.00 × 72,871.67
  4. Step 4: Simplify right side
    126,565.26x = 12,730,970,997.80
  5. Step 5: Solve for x
    x = 12,730,970,997.80/126,565.26
  6. Step 6: Final answer
    x = 100,588.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.